Emoji: What does D mean?

Happy is happy. Two points are eyes, the vertical line is nose, and D is mouth.

Professor Scott farman of Carnegie Mellon University (Professor of Computer Science in Pittsburgh) made the smile symbol ":-)" in the bulletin board system for the first time. At first, he defined the speaker as a joke, but now it is more used to express heartfelt joy and knowing smile.

Accordingly, he used ":-("to indicate that the speaker was serious; Of course: -D side view is smiling face. The traditional original prototype has only one ":)", and then the number of users keeps increasing, creating various forms of characters. :-) Smile. -(unhappy. ; -) blink.

Extended data:

other

((Work)) Bear

(▔ _ _ _ ▔) y-~ Smoking 004

(~ ~ ~) Play the fool

╭(─? ──) ╮▃▇ Uh-huh, don't bother.

& lt(~ 3 ~) gt； -(& gt； mouth